81162960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10909}}^1$

素因数の和:10956

約数の個数: 80

約数和(自身を含む): 259745280

約数和(自身を除く): 178582320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 10909, 21818, 32727, 43636, 54545, 65454, 87272, 109090, 130908, 163635, 174544, 218180, 261816, 327270, 338179, 436360, 523632, 654540, 676358, 872720, 1014537, 1309080, 1352716, 1690895, 2029074, 2618160, 2705432, 3381790, 4058148, 5072685, 5410864, 6763580, 8116296, 10145370, 13527160, 16232592, 20290740, 27054320, 40581480, 81162960]

約数ペア:

[(1, 81162960), (2, 40581480), (3, 27054320), (4, 20290740), (5, 16232592), (6, 13527160), (8, 10145370), (10, 8116296), (12, 6763580), (15, 5410864), (16, 5072685), (20, 4058148), (24, 3381790), (30, 2705432), (31, 2618160), (40, 2029074), (48, 1690895), (60, 1352716), (62, 1309080), (80, 1014537), (93, 872720), (120, 676358), (124, 654540), (155, 523632), (186, 436360), (240, 338179), (248, 327270), (310, 261816), (372, 218180), (465, 174544), (496, 163635), (620, 130908), (744, 109090), (930, 87272), (1240, 65454), (1488, 54545), (1860, 43636), (2480, 32727), (3720, 21818), (7440, 10909)]